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7 Sheets-Sheet 1.

(No Model.)

L. C.l CROWELL. -POLDING AND WRAPPING- MAGHINE.

,Patented DBG-19,18%-

N PEIERS, mvlillwmpiw. washington. nc,

(N edel.) eeeeeeeeeeee 2,

L. C. CROWELL.

FOLDING AND WRAPPING MACHINE.

180,269,185. Patented Deo.19,1882.

(No Model.) N l 7 sheets-shawn 8. L. o. GROWELL.

FOLDING AND WRAPPING MACHINE. 4 118,289,185. Patente-1 1180.181882.

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L. C. GROWELL.

FOLDING AAAAAAAAAAAAAAAAA E.

41\To.269,185.v l Patentednemg, 1882.

(No Model.) 7 Sheets-Sheet 5.

L. C. GROWELL.

GHINE. nted Dec. 19, 1882.

FOLDING AND WRAPPING MA No. 269,185. 1 Pate (No Model.) 7 eeeeeeeeee et6 L. G. OROWELL.

' `FOLDING AND WRAPPING MACHINE. N

No. 269,185. 'Patented Dec.19. 1882.

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' (No Model.) 7 Sheets-Sheet 7.

i L. G. GROWELL. FOLDING AND WRAPPING M AHIN No. 2659,1875i Patented.19,1882.

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` IIIIHIIIIIHI T 56' l UNITED STATES i PATENT OEETCE.

LUTHER O. CROWELL, OF BROOKLYN, ASSIGNOR TO R. HOE St` CO., OF

VNEW YORK, N. Y.

FOLDING ANDWRAPPING MACHINE.

SPECIFICTION forming `part of Letters Patent No. 269,185, dated December19, 1882.

Application tiled February 1, 1882.

To all 'whom it may concern:

Be it known that I, LUTHER' G. GROWELL, a citizen ot' the United States,residing in the cityof Brooklyn, county ofKings, and State of ,New York,have invented certain new and use fullmprovements in Folding andWrapping Machines, fully described and represented in the followingspecilication and the accompanying drawings, t'orminga part of the same.

In newspaper printing, as itis conducted at the present time, it isoften desirable to have an edition or issue.. delivered from theprinting mechanism in two dilerent forms-that is to say, one part insuitable form for carriers or street or counter sale, and the rest inform for mailing'.

rl .his invention relates to a folding and de lvering mechanism designedto accomplish this object.

, sale.

It also consists in an im proved folding mechanism, and in certaindetails of construction and combinations of parts, allot which will behereinafter fully described, and pointed out. in det-ail. i

In said drawings, Figure 1 is a plan view of a mechanism embodying myinvention. Fig. 2 is a longitudinal vertical section of the same, takenon the lin-e w m of Fig. 1. Fig. 3 is a longitudinal horizontal sectionot' the same mechanism, but showing in addition the Web ofwrapping-paper. Fig.4 is a detached view of the lirst blade-carryingroll and its companion, showing also the mechanism for maliing thefolding-blade inoperative. 7, 8, 9, and10'are sectional views showingthe first folding-blade in various positions. Fig. 11 is a plan view ofthe gearing which drives the first folding-blade. Figs. 12, 13, 14, and15 are sectional views, showing the third blade Figs. 5, 6,V

(No model.)

roll and its companion with the blade in dit? ferent positions, alsoshowing a device for past- 1S is a modification showing thefolding-blade as reciprocated.

' The printed sheets, before being delivered tothe mechanism shown inthe accompanying drawings and about to be described, are operated uponby any approved form of folding mechanism,.so as to be reduced to a formor size suitable for the carrier or for street or counter sale.

Folding mechanisms adapted to bring sheets to this size or form are wellknown in the art, and need no specific description here. lf a singlelongitudinal fold is sufficient to reduce the sheet or associated sheetsto the required size, then the result. can be well attained by passingthe sheet or sheets over a folder of the form shown in United StatesLetters Patent No. 233,996. If, in addition to the longitudinal fold, itis desired to fold the sheet or sheets transversely, then an ordinaryrotary folder, or a rotary folder of the construction about to bedescribed, may be located so as to operate upon the sheets, eitherbefore they pass to or after they pass from the longitudinal folder. Thesheet or associated sheets, having been folded so as to he reduced to asize suitable for the carrier or street sale, pass away from the endlofthe longitudinal folder,(see Fig. 1,) or other folding mechanism andinto the bite of the rolls 2 3.

In Fig. 1 there are shown portions of the tapes 4 5 (i, which convey thesheets over the longitudinal folder. The tapes 4 and 5 are in this caseshown as passing around the rolls 2 and 3, respectively, and thence backaround one or more pulleys (not shown) to the starting-point. Thisarrangement ofthe tapes has been found a very good one, as it tends toinsure the even and prompt delivery of the sheets to the rolls 2 3; butit is not essential. The tapes may pass around the rolls 2 3, or theyequal to the feed of the sheet over the longitudinal folder.

It has been found that bythe use of a folding-blade, constructed andoperated as hereinafter described, rolls of much smaller size than thoseheretofore used can be made available,

in this position, and as it is desirable to make the apparatus ascompact and economical as possible the rolls 2 3 are in the present case'so reduced in size that they are required to make two completerevolutions during the passage of each sheet between them.

Upon the shaft of roll 2, just above gear 7, is mounted the small gear9,which meshes with an intermediate gear, 10, through which the mechanismfor making the final fold and wrapping and delivering the sheet isdriven, as will be hereinafter fully explained. This gear9 is mountedloosely upon its shaft, but is arranged to be made fast to the face ofgear 7 by means of the screw 11, or by some convenient form of clutchmechanism.

1f it is desired to deliver the papers folded and wrapped in proper formfor mailing, the.

sheets will, as they emerge from rolls 2 3, be operated upon bymechanism now to be described.

The roll 3 has formed in one of its sides a seiies of recesses, 12, cutto a sufficient depth to allow the passage of the sections 13 ofarotating folding-blade. The portions ofthe roll between the recessesare left substantially intact, so that sufficient surface remains toinsure the even feeding of the sheet between this roll and itscompanion.

The ends of roll 3 are provided with rims or projections 14, (in Figs.`2 and 4 rims are shown, in the other figures simpleprojections, theseconstructions beingconsidered full equivalents,) in which is journaledthe shaft 15, which is partially sunk in a groove in the periphery ofthe roll outside of the recesses 12, and which carries the sections 13,forming the folding-blade. The shaft 15 is shown as journaled so thatone-half of its diameter only is within the periphery of roll 3,roll 2being provided with a groove, 89, to permitthe passage ofthe shaftbetween the rolls. Itis not essential, however, that it should belocated in this exact position. It may lie wholly without or whollywithin, or be sunk slightly below the periphery of roll 3.

As before stated, the rolls 2 3 are of such size that they are requiredto make two complete revolutions during the passage of each sheetbetween them. The folding-blade 13 is therefore required to act only ateach second revolution of its carrying-roll. It may, however,

'scarsa be so actuated as to be brought into operative position at eachrevolution of the roll 3, in which case its alternate strokes willbeidle,its edge passing to the bite of the folding-rolls just in advanceof the leading end of the sheet, and of course having nothing to operateupon. 1t is, however, most desirable that the blade should notv makesuch idle strokes, and consequently it is shown as driven so as to bebrought into operative position only at each second revolution of itscarrying-roll. This is effected by thefollowng mechanism: The shaft 13is extended beyond the end of'roll 3, and is provided with two sleeves,16 and 17,the ends of which meet. The sleeve 16 is loose upon the shaft,but is rigidly attached to the frame of the machine. The adjoining endsof these sleeves are provided with coinciding slots 19 20, the slot 19containing the sliding key 21, and the slot 20 the spring-catch 22. Thisspringcatch is secured to sleeve 17, so that when in its normal positionit projects inward through the slot 20 and takes into a recess, 23, inthe shaft 18, so that the sleeve 17 is locked to the shaft. The slidingkey 21 when in its normal position rests entirely within the slot 19;but it is provided upon its outer edge with a rack, which engages withthe segment 24 upon the rock-shaft 25, so that when the latter isoperated, which may be done by a handle placed in any convenientposition, the key will be moved,so as to project beyond the slot 19 andinto the slot 20, its projecting end, which is wedge-shaped, as shown,operating to raise the spring-catch 22 out of the recess 23, thusreleasing the sleeve 17 from the shaft 18, and at the same time lockingsleeves 16 and 17 together. When the sleeves are thus locked the gear26, secured to the upper end of sleeve 17, becomes stationary andoperates to rotate the folding-blade 13, as will presently appear. Thisgear engages with a gear, 27, of equal size,

which is fixed to the short shaft 28,having its' bearings in the end ofroll 3 and in a plate, 29, secured to the ends of posts 30, projectingfrom the end of the said roll.

The end ofthe shaft 15 of the folding-blade extends through and beyondthe rim or projection 14and has abearing in the plate 29. This extensionofthe shaft is provided with agear, 31, of equal size with the gears 26and27, which is.he'ld loosely between collars 32 33, which are fast uponthe shaft. The collar 32 is cut away for a portion of its length uponone side, so as to form a circumferential recess, 34, of considerableextent. The hub of gear 3l is provided with a projection, 35, whichextends into the recess 34, so that the gear and shaft 15 will rotatetogether. The recess 34 is, however, of such size with relation to theprojection 35 that, for a purpose to be presently' explained,considerableV play or lost motion is allowed. The shaft 15 and gear 3lmaybe connected by a spiral spring, 99, (see Fig. 2,) the tendency ofwhich is to hold the edge 98 of projection 35 against edge 97 of collar32, and to return the parts to that position when they IOO ecoles a havebeen forced apart. The spring 99 is not, however, essential, as thedevices will be operated when it is omitted, as in Fig. 4. In additionto 'the gear 27 the shaft 28 is also provided with a gear, 3b', ofone-half the others size, which engages withand drives gear 3l.

lt will thus be readily seen that when the sleeves 16 and 17 `are lockedtogether by the key 2l the devices inst described will operate, duringtwo complete revolutions of the roll 3, to revolve the blade 13 once andin a direction opposite to that of the revolutions of the roll.

As before stated, the rolls 2 3 are of such f size that they arerequired to make two complete revolutionsduring the passage of eachsheet between them, and the folding-blade 13 is so driven as to bebrought in'to operative position at every second revolution of its car-Arying-roll 3. The blade, rotating as it does in a direction opposite tothat of roll 3 is s'o timed that as the fold-line of the sheet arrivesat farther beyond the periphery of the roll 3, so

, `the sheet as it moves with roll 2.

that it will continue to press the sheet against roll 2, and as theblade is carried. bodily onward by roll 3 in its revolution the edge ofthe blade will be permitted to travel onward with This outward andonward movement will be continued untiljust before the parts arrive atthe positions showuin Fig. 6, at which point the blade will force thefold-line of' the sheet into the bite of rolls 2 and 37, immediatelyafter which roll 3 will, in its onward rotation, withdraw the blade andcarry it rapidi yawa y from roll 2, as shown in Fig. 6. l

lt will he observed that the blade 13 is `curved in the direction of itswidth, which is an important feature of the construction, no other formbeing capable of operating in the manner described. This is quiteevident from the fact that its edge must follow and bear againstthesurface of roll 2 at the same `time that its axis (the shaft l5) comesin contact or nearly in contact with the same roll.

Although the blade 13 makesjust one complete revolution on its axiswhile the roll 3 is making two, its speed, as will be noted, is quitedifferent in .different parts of its revolutionat one point beingaccelerated, at another retarded, and at another entirely checked. Thisvariation of speed is'pcrmitted by the play or lost motion which thegear 3lvhas upon the shaft l5, as heretofore explained, and is caused bythe cam 3S upon the end of roll 2, (shown in Fig. 2, and in dotted linesin Figs. 5, S, 9, and 10,) and by the fixed cam 39, (best shown in Figs.2, 3, and 5.) f

During the iirst one-fourth or a trifle more,

'of a revolution of the roll 3 from the position shown in Fig. 5, thespeed ofthe blade 13 around its axis must be considerably accelerated iuorder to keep its folding-edge upon the' surface of roll 2. Thisacceleration is effected by the side 40 of cam 38, upon which the bowl4l of the arm 42, carried hy the shaft 15 of the folding-blade, strikesjust after the rolls pass the position shown in Fig.' 5. The rolls 2 and3 being rotated at the same speed, it follows that the shalt 15 of thefolding-blade and the point of cam surface 40 at the periphery ot' roll2 move with the same velocity, but the bowl 4l, being at this timeconsiderably outside the periphery of roll 3, is moving with a velocitymuch greater than thatof the surfaces of the/rolls, and consequently ofthe cam-surface 40. As soon, however, as the bowl enters within theperiphery of roll 2 and strikes upon cam 40 it will be held back andpermitted to advance only at a speed equal to that of the cam, whichspeed will constantly decrease as the bowl passes inward onto theslower-moving portions of the cam. This holding back ofthe arm 42 drawsthe blade 13 outward from the roll 3, and advances it in its revolutionaround its axis 15 at a speed much greater than that with which it wouldbe driven by its train of gearing. The action of cam 40 upon arm 42 wi.lalso press and hold the blade 13 tightly against the surface of roll 2until the fold is made, at which time the bowl 4l will pass onto theside 43 of cam 3S, and as this cam-surface will then be moving in adirection contrary to that ot' the bowl in its revolution around theshaft 15, said shaft and blade will be somewhat retarded. This willcontinue until the parts reach the position shown in Fig. 6, when alittle less than onehalf of' a revolution will have been accomplished.The bowl 41 will then pass outside the periphery of roll 2 and the bladewill resume its normal movements. The positions which the differentparts will occupy when the spring 99 is used, when three-fourths, one,and

'one and one-fourth revolutions .have been accomplished, are shown inFigs. 7, 8, and 9, respectively. f v

Owing to the play or lost motion permitted` between shaft l5 and gear 3lthe blade during the last part of the second revolution will be' thrownforward by the centrifugal force caused by the rapid revolution of roll3, and the bowl 4l will pass outside the periphery of the roll to theposition shown in Fig. l0, whereit will he arrested by the cam 39, andfrom then until the second revolution is completed and the bowl againpasses onto cam 38, the blade 13 will have little or no motion aroundthe shaft 15.

From the foregoing it will be seen that the blade 13, when performingits work, is operated and controlled almostentirelyby the cams, thefunction ofthe gears being mainly to move it during the idle part of itsrevolution and to bring it into proper position to be operated upon bythe cams when required. The roll 3T has secured to its `end the gear 44,which engages with the gear 7 uponthe roll 2, so that the two run withthe same'surfacespeed. The sheet having been folded into the IOC IIVO

IIS

' 2 3, and, owing to the reduced size ofthe sheets upon which theyoperate, are required to make but one revolution during the passage ofeach sheet between them. This permits them to be driven at one-half thespeed of the former. Hence the reduced size of gear 9.

As the sheets pass between therolls 46 47 they are associated withwrappers in the following manner: Upon the horizontal shaft 50, which ismounted iii suitable bearings, -is placed a roll of wrapping material,the end of which, being conducted over the angularly-arranged turner 5l,is introduced between the iolls 46 47 and iinpaled upon the pins 52,carried bythe former. The wrapper will thus be drawn forward andassociated with the incoming sheet, the pins 52 serving to hold the`leading end of the wrapper and with it the sheet onto the roll 46.

It is to be remarked that the sheets before passing between rolls 2 37will be so accelerated that they will be separated some distance fromeach other, and also that the rolls 46 47 are of such'size that thelength of the transversely-folded sheets passing to them is equal toonly about three-fourths the circumference of these rolls. These rollsare therefore so liined in their movements that the sheets will entertheir bite a short distance behind the pins 52 and the leading end ofthe wrapper.

, In order to afford room for the accumulated thickness of papercontained in the folded sheets, the rolls 46 47 do not run in closecontact; but to give the rolls a firm hold upon the leading end of thewrapper and to insure its being impaled upon the pins 52 the roll 47 is,upon that portion of its surface between the leading end of the wrapperand the point where the incoming sheet `enters, provided with aprojection, 54, formed of rubber orany suitable material, of suchthickness as to press tightly against roll 46.

The roll 46, except in particulars specified, is ot' the saineconstruction as roll 3, and carries a folding-blade, 55, of the sameconstruction and-having the saine operation and anxiliaries as the bladecarried by that roll, except that blade 55 is inade'to revolve about itsaxis once for each revolution of its carrying-roll. This difference inspeed is effected by making the gear corresponding to 36 of the samesize as that corresponding to 31, or by omitting 36 and making the gearcorresponding to 27Aengage directly' with that corresponding to 3l.

The wrapper and sheet passing between the rolls 46 47 will be carried bythe pins, as already stated, upon the surface of roll 46 until thefold-line reaches a point directly between the axes of the rolls, atwhich time the blade 55 will pass outside the periphery 'of roll 46, andstriking the sheet upon the fold-line press it firmly against roll 47,andtearing the end of the wrapper from the pins fold both wrapper andsheet between rolls 47 and 56, in a manner already described. As thesheet and wrapper thus folded pass onward between the rolls 47 56 therolls 46 47 complete a revolution, when a severing-blade, 57, set inroll 46, cutting into a groove, 5S, in roll 47, severs the wrapper fromthe web, leaving a projecting end for a sealing-Hap, as shown, and atthe same time the pins 52 impale the fresh end of the web and carry itforward to form a wrapper for the next succeeding sheet.,

In the operation-s described the sheet, which was received iii a formsuitable for the carrier or street sale, has received two paralleltransverse folds, which hasl reduced it to aform suitable for the mail,and has had a wrapper folded around it. It now remains to fold down theprojecting ends of the wrapper, seal it, and deliver the product fromthe inachiiie.

As the sheet and wrapper pass between rolls 47 56 a pasting devicecarried by the latter places a transverse line of paste upon theivrapthe projecting ends. This pasting device consists of a cylindricaltank, 62, having a narrow opening along one side, and in which isjournaled a paste-roll, 63, sopositioned that it will close theopeniiigin the side of the tank. This roll is made with a series'oflongitudinal grooves, in which the paste will be carried through theopening in the tank. This tank is inserted in a recess formed in theside of the roll, so that the projecting surface of the pasteroll 63will he flush with or project slightly beyond the surface of roll 56.The roll 63, coming in contact with the wrapper, as it and the sheetpass between rolls 47 56, will by the pressure of the package be causedto turn slightly in its bearings, thus bringing out a groove filled withpaste, which will be applied in a line to the wrapper, and as eachsucceeding sheet and wrapper pass a fresh groove will be brought outwith the saine result. It will of course be understood that when apastefountain of this kind is carried in a vertical roll, as iii thepresent case, provision must be made for keeping it constantly filled.This can `be done in a variety ot'rways, as will readily be seen. Theroll 56 is of the same co`n struction, except as to the pasting device,as roll 3, and carries a folding-blade, 64, of the same construction andoperation, and having is, however, so timed that the blade 64 does notstrike the sheet, but strikes justin its rear and upon the projectingends of the wrapper. The result is that the sheet is not folded betweenrolls 47 61, but that the projecting ends of the wrapper are laid overupon its body, and as the wrapped sheet passes between the per at asuitable point to secure the longer of IIO IIS

the saine auxiliaries as blade 55. The roll 56 rolls the longer oftheprojectingendsis pressed upon the line of paste and secured.

The sheets may be so fed to rolls 46 47 that the second cross-fold willbe made a little in advance of their centers, leaving the ends uneven,in which case the longer end may be struck` by blade 64 and foldedoverwith the projecting ends of the wrapper, which will tend to make thewrapper more secure.

It may be remarked that roll 47 is provided with two cams, correspondingto cam S-one, 65, to operate blade 64, and another, 66, to operate blade55. As the wrapped sheet enters the bite of rolls 47 6l its leading endis caught by the grippers 67, which are constructed and operated in theusual manner and carried around until in a position opposite the end ofthe packing-box 68, when it is released and pushed into thebox by theenlargement 69 on the roll 61.

Theoperations of the foldingblade l64 and pasting device are well shownin Figs. 12 to 15, inclusive, in which Fig. 12 shows the position of theparts at the time the line of paste is being applied to the wrapper;Fig.13, at the time the wrapper is being severed from the web and thebladeis just pressing theprojecting ends of the wrapper against roll 47;Fig. 14, at the time the blade is folding the projecting ends ot' thewrapper into the bite of rolls 47 6l, and Fig. 15 i,nst beforethe foldismade.

1f it should be desired to fold the sheet more than once transverselybefore placing the wrapper around it, the roll 37 may be provided with afolding-blade of the same construction as those in rolls 3, 46, and 56,which will operate to fold the sheet between the rolls 2 and acompanion, which can be provided, after which the sheet will beconducted to rolls 46 47 to receive the final fold and the wrapper.

When it is desired to deliver the sheets unwrapped andin a form suitablefor the carrier, the gear 9 is rendered idle by the withdrawal of thescrew 11, and the rock-shaft 25is open ated to withdraw the key 21fromslot 20,which disconnects the sleeves 16 17 and renders thefolding-blade 13 inoperative, and allows the catch 22 to pass into therecess 23,1ockingthe blade inside its roll in the position shown in Fig.4. The sheets will then pass outward between guides 76 and be taken byany appropriate form of 4delivery mechanism. A

mechanism especially well adapted for this" It may be readily sopositioned as to" it to press the paper upon the foldfline against thesurface of roll 2, and as the blade and roll advance together the camwill cause the edge ofthe blade to follow the curvature otl the roll,

' pressing thefold-lineofthe sheet snugly against it until the bite otthe folding-roll is reached and the fold is made, as is shown in thefigure. The motion of the carrier 100 being reversed at this point, theblade will be withdrawn and returned to repeat the operation.

A mechamism embodying the construction just described will form thesubjectfmatter ot' a future application for United States LettersPatent.

What I claim is 1. A pair of folding-rolls, as 2 37, in combination withan irregularlyrotated folding- .blade, as 13, curved in cross-section,substantially as described.

2. Aroll,as 2,in combination with an irregularly-rotated`gt'olding-blade, as 13, so timed in its rotations that its folding-edgepresses the sheet upon the fold-line against the surface ot' said roll,and moves forward with said sheet and surface until the fold is made,substantially as described. .k

3. A roll, as 2, in combination with a curved folding-blade, so timed inits movements that its folding-edge presses the sheet upon the fold-lineagainst the surface of said roll, and

, moves forward with said sheet and surface until the fold is made,substantially as described.

4. The combination, with a pair of foldingrolls, of a curvedfolding-blade, the edge ot' which presses the fold -line of the sheetagainst one of the folding-rolls and then moves onward with the sheetand roll until the fold is made, substantially asdescribed.

5. The combination of a pair of folding-rolls anda rotating blade-rollprovided with acurved rotating fcldiugblade, the edge of which pressesthe fold1ine of the sheet against one ofthe folding-rolls and then movesonward with the sheet to thebite of the said rolls, substantially asdescribed. r

6. The combination ofthe rotatingbiade-roll, as 3, the rotating bladeprovided with the arm, as 42, and the cam 38, carried by one of thefolding-rolls, substantially as described.

7. The combination ot' the rotating blade and its carrying-roll, the arm42, the cam 38 upon one of the folding-rolls,'and the train of gearingfor bringing the arm 42 to t-he position to be caught by the cam,allsubstantially as described.

S. The combination, with the rotating folding-blade and its shaft, ofmeans for permitting play or lost motion between` the bladeand IOO IOS

IIO

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its driving-gearing', and means for accelerating the speed of the bladeduring one part 0f its revolution, all substantially as described.

9. rlhe combination of the folding-blade, its driving -gearing andcarrying-roll, wvith the sleeves 16 and 17, and devices by which sleeve17 is locked to the shaft or liberatedl and locked to sleeve 16, allsubstantiall y as dcscribed.

10. The combination, substantially as shown, 1 of four rolls, as 46 4756 61, provided with cutting, pasting, and folding mechanisms, wherebythe web of Wrapping material and the sheets to bewrapped are associatedand the Wrappers i severed, pasted, and folded'around the sheets, allsubstantially as described.

11. An automatic Wrapping apparatus consisting of the roll 47, havingthe two-cams 65 66, the roll 46, having the rotating foldingblade andthe severing device, the roll 56, havzo ing the rotating folding-bladeand the pasting` device, and the roll 61, all substantially asdescribed. l

12. The combination, with the rolls 46 and 56, carrying the 'rotatingfolding-blades, as 55 2 5 64, of the roll l17, provided with the cams 6566, for operating said blades, substantially as described.

1n testimony whereof I have hereunto set my hand in the presence 0i' twosubscribing Wit- 3o nesses.

LUTHER C. GROVVELL.

Witnesses J. A. HOVEY, T. H. PALMER.

